<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>扩展运算符应用</title>
</head>

<body>
    <div></div>
    <div></div>
    <div></div>

    <script>
        //1.数组的合并
        const kuaizi = ['王太利', '肖央'];
        const fenghuang = ['曾毅', '玲花'];
        const hebing = kuaizi.concat(fenghuang);
        console.log(hebing);
        const shenqi = [...kuaizi, ...fenghuang];
        console.log(shenqi);

        //2.数组的克隆
        const sanzhihua = ['E', 'G', 'M'];
        const sanyecao = [...sanzhihua];
        console.log(sanyecao);


        //3.将伪数组转为真正的数组
        const divs = document.querySelectorAll('div');
        const divArr = [...divs];
        console.log(divs);
        console.log(divArr);




    </script>

</body>

</html>